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Replaced Laptop Motherboard, Now It won't Turn On (Water Damage)

Discussion in 'Hardware' started by JoeyZhang, May 27, 2015.

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  1. JoeyZhang

    JoeyZhang Thread Starter

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    May 27, 2015
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    Hi all,
    I recently replaced spilled water all over my laptop. I make the mistake of not waiting for it to completely dry and attempted to turn it on.
    So after, accessing the damages, I took my Lenovo Y50 to a certified technician who told me that the motherboard was damaged. I decided to replaced the motherboard by myself (purchased Lenovo refurbished from Ebay) and proceeded to install it.
    When I turned it on, the LED lights up to signal that it is being turned on, however the fans do not start, my keyboard does not light up, my display does not turn on. (Basically, only the power button LED turns on for about 2-3 seconds, then shuts off)

    1. I made sure the ram, harddrive, thermal paste, screws, cords etc was installed properly.
    2. When I charge my laptop, the LED lights up to signal that it is charging.
    3. I attempted to turn on my laptop without the battery, to this I received the same 2-3 second LED and nothing more.

    Does anyone have any recommendations of what is wrong with my laptop?
    Can we narrow it down to a specified region?
    Thank you for your time guys, I really appreciate it.
     
  2. trogdo

    trogdo

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    What laptop is it?

    I bought an ASUS K52N for spares with water damage (well, coffee), suspected motherboard too, but it turned out replacing CPU solved the problem. Don't rush though, you don't want to waste any more money.
     
  3. trogdo

    trogdo

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    Apologies, you have a Lenovo Y50, I should have read your post more carefully.

    To add, I had the same symptoms: no signs of life apart from power light flashing a couple of times. Also the CPU cooling fan would twitch once.
     
  4. JoeyZhang

    JoeyZhang Thread Starter

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    Hi, thanks for the reply.
    The motherboard and CPU were already attached to one another when I bought it refurbished
    (Lenovo Y50-70 Laptop Motherboard w/ Intel i7-4700HQ 2.4GHz CPU)
    I'm still at a loss :(, but I appreciate your help.
     
  5. managed

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